Page 10
MUTE
CLOCK
SELECT
-
AP
AF
5
6
SCAN
TA
PTY
BAND
MODE
1
2
3
4
TOP/
RDM
INT
RPT
4
6
8
14
16
18
20
7
11
15
19
21
1
5
3
13
12
10
9
17
2
1. Power On/Off
2. Mute Button
3. TA Button
4. SEL/MENU Button
5&6. VOL UP/DOWN Button
7. MO/ST Button
Press the MO/ST to select stereo or mono
sound mode under FM radio reception.
8. A.P Button
Press the A.P button to preview the current
preset stations.(18stations in FM ) Press and
hold the AP button to activate the auto storage
function. The unit scans and preset the stations
with strongest signal.(18stations in FM )
9. Band Button
10. Mode Button
11. Tune/Seek Up And Track Skip Up/FF Button
12. Tune/Seek Down And Track Skip Down/REW Button
13. SCAN BUTTON
Press the SCAN button to scan the radio frequency. If a valid signal has detected, the current
frequency will be hold and blinking for 5 seconds, then press SCAN again to stop scan and
remain the current frequency; other wise, the radio will go on to scan the other radio frequency
5 seconds later.
14. CLOCK button
15. PTY Button
16. Track TOP/>||/Radio Preset 1
17. Track INT/Radio Preset 2
18. Track RPT/Radio Preset 3
19. Track RDM/Radio Preset 4
20. Radio Preset 5 and USB/CARD DIR-
21. Radio Preset 6 and USB/CARD DIR+
REMOTE CONTROL OPERATION
Page 1
Page 9
CONNECTOR A
1.
2.
3.
4. Memory +12V
5. Auto Antenna Output
6.
7. 12V (To Ignition Key)
8. GROUND
CONNECTOR B
1. Rear Right Speaker (+)
2. Rear Right Speaker (-)
3. Front Right Speaker (+)
4. Front Right Speaker (-)
5
7. Rear Left Speaker (+)
8. Rear Left Speaker (-)
. Front Left Speaker (+)
6. Front Left Speaker (-)
ISO SOCKET SKETCH
ISO SOCKET ANTENNA JACK
RCA OUTPUT
RCA OUTPUT
RED
WHITE
SPECIFICATION
GENERAL
Supply Voltage DC 12 V. Negative Ground
Current Consumption Max.10A
Power Output 4 x 60 W
Number of channels 2 STEREO channels.
Unit Dimensions (L x W x H): 7
178 x 165 x 50 (mm)
FM SECTION
Frequency range 87.5Mhz - 108Mhz (Europe)
87.5 Mhz - 107.9Mhz (U.S.A.)
Effective sensitivity 3uV.
I.F Frequency 10.7MHz.
AM SECTION
Frequency range 522Khz - 1620Khz (Europe)
530khz - 1710Khz (U.S.A.)
Effective sensitivity 40dB.
I.F Frequency 450KHz
CD PLAYER
System MP3 Audio System.
Suitable CDs MP3, CD,CD-R,CD-RW Disc
Frequency characteristics 20Hz-100Hz < 5dB
10KHz-20KHz < 5dB.
S/N Ratio to CD 50dB [1KHz]
”x6.5”x1.97”
Preamp Output 1 V Output
LOCATION AND FUNCTION OF CONTROLS
Page 2
1. RELEASE BUTTON
2.POWER ON/OFF & MUTE
3. CD SLOT
4. LCD Display
5.EJECT KEY
6&7. TUNE, SEEK, TRACK, SKIP UP / DOWN BUTTONS
Press the REL button to release the front control panel from the unit chassis,
then pull it up a little to remove from the unit chassis.
When the unit is power off, the unit switches on by pressing any button except
the EJECT and the RELEASE button.
When the unit is power on, press and hold the power button for more than 0.5
seconds, the unit goes into power off mode.
When the unit is power on, press the power to switch the MUTE state on/off.
In the power on state, the loaded disc can be ejected by pressing the EJ key.
a) During RADIO mode:
Press the >>| or |<< button briefly to manual tune up/down for the desired radio
station frequency step by step.
Press and hold the >>| or |<< button for longer 0.5 seconds, to automatically
tune up/down for the radio station frequency of strong signal.
WIRING
Page 8
1. To keep the disc clean:
Before playing a disc, wipe it off with a clean, dust-free cleaning cloth.
Wipe the disc outwards from the disc center.
2. When one has already been inserted. Doing so may damage the unit
Do not attach any sticker or adhesive tape on the disc.
Handle the disc by its edge to keep the disc clean and do not touch the surface.
. Insert a disc
with labeled surface up, or it will damage the unit.
3. Do not expose the disc to direct sunlight or nearby heat sources such as heating
vents, caliduct which can cause the disc to warp.
Do not leave disc in a car if it is parked in direct sunlight as that will lead toa
considerable rise in the temperature inside the car.
4. Do not use any secondhand or rented disc, usually, there is glue on the surface of
those discs, it will stop the unit working and damage it.
5. Always store the disc in its case for protection. Scratched up discs will produce poor
sound performance and cause CD player to skip.
6. In raining day or wet area, the moisture may form on the disc or the optical parts,
the playback may not be possible. If moisture forms on the disc, wipe it off with a
soft cloth.
If moisture forms on the optical parts of the unit, allow the unit to sit for about one
hour with power on.
7. Do not use solvents such as benzine or thinners. Commercially available cleaners
or anti-static spray will damage the unit.
About CD-R/CD-R/W discs:
In addition to commercially-recorded audio CD's, this unit can play CD-R and
CD-R/W discs. In some cases, particularly when recorded on older CD burners,
some CD-R and CD-R/W discs may not play. Also, whenever you are recording
a CD for playback in this receiver, it is recommended that you record at 24x or
slower speed for CD-R and 4x or slower for CD-R/W to achieve higher signal
quality and better playback performance.
Page 3
b) During disc, USB playback mode:
Press the >>| button briefly to play next track.
Press the |<< button briefly to play the current track from the beginning of it
if the playing time is more than 2 seconds.
Press the |<< button briefly to play the previous track if the playing time is
less than 2 seconds.
Press the >>| or |<< button and hold to skip forwards or backwards, release
to resume normal playback.
a) Press the SEL button briefly, it is activated as selecting each mode of E. VOL.
-> VOLUME ->BASS ->TREBLE -> BALANCE -> FADER ->
When selecting a desired audio mode, rotate the VOL knob to adjust the
audio effect.
In each mode, the waiting time is about 5 seconds, and when the waiting time
is over, it returns to the last display mode of tuner or CD mode.
The control mode of E.VOL is operated with following numeric display.
- VOL: (MIN)00, 01,......46, 47(MAX).
- BASS / TRE : -7, -6,...,0,...+6,+7
- LIR: (<)I,I,...,I,...,I,I(>)
-FIR:(<)I,I,...,I,...,I,I(>)
b) When pressed long than 2 seconds, it will display the time, then becomes a
->TA(ON/OFF) -> AF(ON/OFF) -> TA (ALARM/SEEK) ->PI (SOUND/MUTE)
->RETUNE (LONG/SHORT)->MASK(DPI/ALL) ->BEEP (ON/OFF)
-> USER SET(FLAT/CLASSIC/ROCK/POP)->VOL(LAST/DEFA)
-> EUROPE/AMERICA(in radio mode) ->MONO/STEREO(only for FM mode)
->LOUD(ON/OFF) ->LOCAL/DX(only for FM mode) ->CLK(ON/OFF)
->CLK(12/24)mode->CLK 00 (
).
After selecting the desired mode, rotate the VOL knob to select one setup
item of the desired mode.
1) TA [TRAFFIC ANNOUNCEMENT]
When TA mode is on(TA is displayed on LCD), it will begin to seek TA station
and TA SEEK will be displayed on LCD for a while.
When traffic announcement is transmitted:
(1)If the unit is in USB or disc mode, it will switch to radio mode temporarily.
Temporarily switch over to an EON linked station when EON detects a traffic
announcement on that other program, and TP will be displayed on LCD
(2)If volume level is below 20, volume level is raised to 20, and returns to its
previous mode and volume level when the traffic announcement is over.
(3)If volume is adjusted during traffic announcement, only the traffic
announcement volume is valid.
8.SEL(MENU) BUTTON AND VOLUME UP ( + )/ DN ( - ) KONB
’00
you can adjust HOUR or MINUTE by rotating
the VOL knob
* TA interruption function:
The current traffic announcement is cancelled by pressing this key. But the
TA mode will not be off.
* When TA is on, SEEK, (SCAN), AUTO MEMORY function can be received or
saved only when traffic program identification code has been received.
cycling mode for the following functions for the user's selection.
DISC CARE
Page 7
20.SD CARD SLOT
When you need to play the file in the SD card ,insert the SD card into the SD
card slot ,the system will change into the SD mode automatically, and then
play the first file in the SD.
Note:
When SD card and USB stick are both inserted into their slot or socket ,
the system will change into the playback mode of the latter one.
Remove the two screws that protect
the CD player during transportation
before operating the player.
INSTALLATION METHOD
This is an anti-theft installation method.
The main unit wears a METAL MOUNTING SLEEVE.
Please connect the wiring, eg, the Power Supply, the Speakers and the Antenna
according to the requirements of this Instruction Manual, then install the metal
mounting sleeve into the car as per the diagram illustrated below.
METAL
SUPPORT STARP
METAL MOUNTING SLEEVE
DASHBOARD
To raise the anti-skip capability of the unit,
please ensure the metal support strap is
connected firmly to the car chassis.
To properly fix the metal mounting
sleeve, bend the tabs of the sleeve
against the DASH BOARD with a
screwdriver.
FRONT PANEL
PLASTIC TRIM RING
UNIT CHASSIS
Before mounting and operating
the player, remove the metal
mounting sleeve illustrated by
the arrows.
NOTE
insert the two supplied keys into the left and right side
slots of the chassis at the same time.
To remove the CD player out of the mounting sleeve,
To attach the removable faceplate, insert the
right side of the faceplate into the right of the
CD player chassis first. Then push the left side
of the faceplate into the chassis until you hear
it “click”.
Page 4
2) AF [ALTERNATIVE FREQUENCIES]
When AF switching mode is selected and the state of AF switching mode is
displayed by AF segment in display.
Segment off: AF switching mode off.
Segment on: AF switching mode on, and has RDS information.
Segment flashing: AF switching mode on, but RDS information is not
received yet.
When AF switching mode is selected, the radio checks the signal strength of
AF all the time. The interval of checking time of each AFs depends on the
signal strength of current station, from a few minute for strong station to afew
seconds for weak station. Every time that new AF is stronger than current
station, it switches over to that frequency for very short time, and
NEW FREQUENCY is displayed for 1-2 seconds. Because the mute time of AF
switching or checking time is very short, it is almost inaudible in case of
normal program.
During FM mode, when AF is on, SEEK, (SCAN), AUTO-MEMORY function can
only receive and save RDS program.
3) TA SEEK/TAALARM:
TA SEEK mode: when newly tuned station does not receive TP information for
5 seconds, the radio retunes to next station which has a different PI to the last
station, but has the TP information.
When TP information gets lost at the current station for retune time which is
set by RETUNE SHORT(60 seconds) or RETUNE LONG(90 seconds), the
radio starts to retune to next same PI station. When same PI station does not
receive in 1 cyclic search, the radio retunes to next station with TP information.
TA ALARM mode: when this mode is selected, any automatic retune mode is
not activated. Only double beep sound(ALARM) will be heard.
When newly tuned station does not have TP information for 5 seconds, beeps
are sounded.
When TP information gets lost at the current station for retune time, the beep
soundwillbeheard.
When newly tuned station has no RDS signal, PI SEEK is suppressed .
4) PI SOUND/ PI MUTE:
PI SOUND mode: if a car cruises between buildings that could cause
reflecting signals, a phenomenon may occur, due to different PI codes being
received from the same AF source. when different PI sounds (DIP) are heard
occassionally, this will happen for less than 1 second.
PI MUTE mode: under above same situation, a mute sound will be heard for
less than1second.
5) RETUNE L / RETUNE S:
The initial time of automatic TA search or PI SEARCH mode is selected.
When PI information is not received for retune interval , the radio starts to
retune to next same PI station.
When same PI station does not receive 1 cyclic search, the radio goes to last
station and waits for 4-5 minutes until PI code is received.
RETUNE L mode: selected as 90 seconds.
RETUNE S mode: selected as 60 seconds.
Pag
e 6
In Radio mode, Press MODE/PTY button longer to select one of the following
mode: POP M--NEWS
While selecting PTY TYPE, its selection is implemented by preset buttons as
described in preset key. (press one of the 6 preset buttons shortly and repeatedly
to select the PTY TYPE in the preset button)
When POP M or NEWS is on, the previous PTY program and PTY word is
displayed on LCD.
If there are no keys entered for 2 seconds, previously selected PTY is searched.
During 1 loop, if desired PTY is not found, NO PTY is flashed, then return to
previous normal radio and PTY icon goes off.
16.AUX INPUTJACK
Press the mode button to select auxiliary input playing mode. Then you can
connect any matched external audio device to this socket. Use the volume
knob to adjust volume.
17.USB SOCKET
In order to play the file in the USB stick, turn over the plastic cover cap then
insert the USB stick into the USB socket. The system will change into the
USB mode automatically, and then play the first file in the USB.
18. BAND/APS BUTTON
During radio mode:
1)Press this button briefly to select the radio broadcasting band you would
like to hear. The AM/FM band is toggled cyclically through the tuning bands:
->FM 1-> FM 2 -> FM 3 ->AM1(MW 1)->AM2(MW 2) ->.
2) Press and hold for more than 1 second, the radio searches from the current
frequency and checks the signal strength level until 6 stations are found.
And then the 6 stations frequency are preset to the corresponding preset
memory numbered bank. The auto-storage operation is implemented in the
each selected band. When the auto-storage operation is finished, the radio
execute the Preset Scan.
Note: when AF OFF, it only need to use 20s to store ; while AF ON as it needs to take
time to search for RDS signal, if more radio stations, it takes more time, especially
if more non-RDS radio station, more time it searches.
During MP3 file in disc, or USB mode:
Press this button to turn to TRACK SEARCH mode, the LCD will display TRK
000 and flash the biggest digit 0 that the USB stick contain. (if the number of
tracks is less than 100 and more than 9, it will be TRK00)
Then rotate the VOL knob to select the number of the flashing digit from 0 ~ 9.
Then press SEL button to confirm the number and flash next smaller digit 0.
With the same means, select the number of the flashing digit. After finishing
selecting the number of all flashing digit, press SEL button to play the track of
the selected serial number.
19. RESET BUTTON
Before operating the unit for the first time, or after replacing the car battery or
changing the connections. You must reset the unit.
Press the reset button with a paper clip or pen. This operation will erase the clock
setting and some stored content.
Page 5
6) MASK DPI/MASK ALL:
MASK DPI mode: masks only the AF which has different PI.
MASK ALL mode: masks the AF which has different PI and NO RDS signal
with high field strength.
7)BEEP ON/BEEP OFF
BEEP ON mode: The beep is generated when any key is pressed.
BEEP OFF mode: The beep sound is disabled.
8) VOL LAST/VOL DEFA
VOL LAST: The radio switches on at the actual volume it had when it was last
switched off.
VOL DEFA: After pressing SEL button, AVOL will be displayed. Then you can
pre-select a constant switch-on volume by using the VOL knob.
9)CLK ON/OFF
CLK ON: Clock will always show on the display when power off.
CLK OFF: Clock will disappear on the display when power off.
9-14.PRESET STATION MEMORY AND TOP/>||,INT,RPT,RDM BUTTONS
a) During radio mode:
Go to any preset station by pressing one of the 6 preset station buttons (1-6).
If one of these buttons is pressed for more than 2 seconds, the station
currently being listened to will be memorized into the selected preset button.
b) During disc, SD or USB mode:
1) Press the TOP/ >|| button briefly to interrupt the playback of the disc, SD
or USB. Press again to resume normal playback of the disc, SD or USB.
Press the TOP/>|| button and hold for approximately 0.5 seconds to play the
first track of the disc, SD or USB.
2) Press the INT button to sample the first 10 seconds part of each track, and the
INT ON will be visible on the LCD display.
In the process of INT, press INT button again to stop sampling and to continue
playing the current track, and the LCD will display INT OFF.
3) Press the RPT button once to play the current track repeatedly, and the RPT
ONE will be visible on the LCD display.
During MP3/WMA disc, SD or USB mode, press the RPT button twice
continuously to play the current folder repeatedly, and the RPT DIR will be
visible on the LCD display.
In the process of RPT, press RPT button again to stop playing repeatedly
mode and the LCD will display RPT OFF.
4) Press the RDM button to play all tracks on disc in random order, and the RDM
ON will be visible on the LCD display.
In the process of RDM, press RDM button again to stop playing in random
order and the LCD will display RDM OFF.
5) Press the 5 and 6 button to move up and down10 tracks at a time.
When the remaining total tracks are less than10, both buttons are inactive.
Press and hold the 5 and 6 button to select next or previous folder to be played.
15. MODE AND PTY (PROGRAMTYPE) BUTTON
Press the MODE button to change among tuner (radio), disc (when a disc I
sloaded), USB (when an USB stick is inserted) and AUX mode.
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Boss MR648 User manual
- Category
- Car media receivers
- Type
- User manual
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